600
FNCA52 TJSJ 031930
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
330 PM AST WED JUN 3 2026
DISCUSSION
THE FIRE WEATHER THREAT FOR TODAY REMAINS LOW, MEANING SOME
ISOLATED FIRE CONDITIONS REMAIN POSSIBLE, PARTICULARLY OVER THE
SOUTHERN COASTAL AREAS OF PR.
PRZ014-040800-
SOUTHEAST COASTAL PLAINS-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR CLEAR
PRECIP TYPE SHOWERS SHOWERS NONE NONE
CHANCE PRECIP (%) 10 10 0 0
TEMP (24H TREND) 72 (-2) 90 (+2) 72 91
RH % (24H TREND) 93 (+5) 55 (-9) 93 54
WIND 20FT/EARLY(MPH) E 11 SE 16 E 11 E 13
WIND 20FT/LATE(MPH) E 11 SE 16 E 11 SE 13
MIXING HGT(FT-AGL/MSL) 5410 5220
TRANSPORT WND (MPH) SE 16 SE 15
VENT RATE (KT-FT) 75740 67860
DISPERSION 5 5
DSI 5 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ015-040800-
SOUTHERN HILLS-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 10 10 0 0
TEMP (24H TREND) 68 (-3) 87 (+4) 68 88
RH % (24H TREND) 98 (+7) 60 (-8) 98 59
WIND 20FT/EARLY(MPH) E 10 SE 12 E 10 E 11
WIND 20FT/LATE(MPH) E 10 SE 12 E 10 SE 11
MIXING HGT(FT-AGL/MSL) 6370 6090
TRANSPORT WND (MPH) SE 15 SE 13
VENT RATE (KT-FT) 82810 66990
DISPERSION 5 5
DSI 4 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ016-040800-
NORTH COASTAL PLAINS-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 20 0 10
TEMP (24H TREND) 71 (-3) 91 (+2) 71 91
RH % (24H TREND) 99 (+8) 54 (-10) 97 57
WIND 20FT/EARLY(MPH) SE 12 SE 12 SE 12 E 13
WIND 20FT/LATE(MPH) SE 11 E 16 SE 10 E 17
MIXING HGT(FT-AGL/MSL) 6670 6280
TRANSPORT WND (MPH) SE 13 E 13
VENT RATE (KT-FT) 73370 69080
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ017-040800-
NORTHERN HILLS-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 10 30 0 30
TEMP (24H TREND) 69 (-2) 91 (+4) 69 89
RH % (24H TREND) 99 (+6) 56 (-8) 97 57
WIND 20FT/EARLY(MPH) SE 10 SE 10 SE 10 E 11
WIND 20FT/LATE(MPH) SE 6 SE 13 SE 5 E 16
MIXING HGT(FT-AGL/MSL) 7300 7390
TRANSPORT WND (MPH) SE 10 E 9
VENT RATE (KT-FT) 65700 59120
DISPERSION 5 5
DSI 3 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ018-040800-
WEST COAST-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 10 20 0 20
TEMP (24H TREND) 72 (-1) 92 (+2) 72 92
RH % (24H TREND) 97 (+7) 56 (-8) 95 56
WIND 20FT/EARLY(MPH) SE 16 SE 14 SE 12 SE 13
WIND 20FT/LATE(MPH) E 14 SE 17 E 12 E 16
MIXING HGT(FT-AGL/MSL) 5770 5150
TRANSPORT WND (MPH) SE 16 SE 12
VENT RATE (KT-FT) 80780 51500
DISPERSION 5 5
DSI 5 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ019-040800-
EASTERN INTERIOR-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 30 30 10 20
TEMP (24H TREND) 70 (-3) 89 (+4) 70 89
RH % (24H TREND) 99 (+5) 57 (-10) 99 60
WIND 20FT/EARLY(MPH) SE 13 SE 12 SE 12 SE 13
WIND 20FT/LATE(MPH) SE 13 SE 13 SE 12 SE 14
MIXING HGT(FT-AGL/MSL) 6790 6960
TRANSPORT WND (MPH) SE 15 SE 14
VENT RATE (KT-FT) 88270 83520
DISPERSION 5 5
DSI 4 6 4 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ022-040800-
LUQUILLO MOUNTAIN RANGE-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 50 20 20
TEMP (24H TREND) 68 (-3) 84 (+4) 68 84
RH % (24H TREND) 100 (+3) 64 (-12) 100 67
WIND 20FT/EARLY(MPH) SE 11 SE 11 SE 10 SE 11
WIND 20FT/LATE(MPH) SE 11 SE 11 SE 10 E 12
MIXING HGT(FT-AGL/MSL) 5410 4940
TRANSPORT WND (MPH) SE 16 SE 16
VENT RATE (KT-FT) 75740 69160
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ023-040800-
CENTRAL MOUNTAIN RANGE-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS NONE SHOWERS
CHANCE PRECIP (%) 10 30 0 30
TEMP (24H TREND) 66 (-3) 88 (+6) 66 88
RH % (24H TREND) 100 (+7) 61 (-8) 99 60
WIND 20FT/EARLY(MPH) SE 10 SE 10 SE 8 SE 10
WIND 20FT/LATE(MPH) SE 8 SE 10 SE 8 SE 10
MIXING HGT(FT-AGL/MSL) 7530 7900
TRANSPORT WND (MPH) SE 12 SE 8
VENT RATE (KT-FT) 75300 55300
DISPERSION 5 5
DSI 2 6 2 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ024-040800-
CAYEY MOUNTAIN RANGE-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 20 10 10 20
TEMP (24H TREND) 68 (-3) 83 (+3) 68 84
RH % (24H TREND) 100 (+3) 66 (-7) 100 67
WIND 20FT/EARLY(MPH) E 9 SE 11 E 9 E 10
WIND 20FT/LATE(MPH) SE 9 SE 11 E 8 SE 10
MIXING HGT(FT-AGL/MSL) 5650 5710
TRANSPORT WND (MPH) SE 15 SE 14
VENT RATE (KT-FT) 73450 68520
DISPERSION 5 5
DSI 4 6 3 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ025-040800-
VIEQUES-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 40 20 20
TEMP (24H TREND) 74 (-2) 88 (+2) 74 89
RH % (24H TREND) 89 (+1) 59 (-5) 89 60
WIND 20FT/EARLY(MPH) E 16 SE 13 E 16 E 16
WIND 20FT/LATE(MPH) SE 16 SE 13 SE 17 E 13
MIXING HGT(FT-AGL/MSL) 3980 3500
TRANSPORT WND (MPH) SE 16 SE 17
VENT RATE (KT-FT) 55720 52500
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ026-040800-
CULEBRA-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY PCLDY
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 40 20 20
TEMP (24H TREND) 76 (-2) 90 (+3) 76 90
RH % (24H TREND) 88 (+2) 57 (-9) 87 57
WIND 20FT/EARLY(MPH) E 16 SE 16 E 16 E 16
WIND 20FT/LATE(MPH) SE 17 SE 14 SE 18 E 14
MIXING HGT(FT-AGL/MSL) 3870 3660
TRANSPORT WND (MPH) SE 17 SE 20
VENT RATE (KT-FT) 58050 62220
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
PRZ027-040800-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER MCLEAR MCLEAR CLEAR CLEAR
PRECIP TYPE SHOWERS SHOWERS NONE NONE
CHANCE PRECIP (%) 10 10 0 0
TEMP (24H TREND) 73 (-2) 92 (+3) 73 93
RH % (24H TREND) 93 (+9) 53 (-6) 91 52
WIND 20FT/EARLY(MPH) E 18 SE 18 E 17 E 18
WIND 20FT/LATE(MPH) E 18 SE 20 E 16 SE 20
MIXING HGT(FT-AGL/MSL) 5650 5080
TRANSPORT WND (MPH) SE 20 SE 18
VENT RATE (KT-FT) 96050 81280
DISPERSION 5 5
DSI 6 6 5 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ001-040800-
SAINT THOMAS AND SAINT JOHN-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 30 20 10
TEMP (24H TREND) 76 (-1) 87 (+2) 76 87
RH % (24H TREND) 88 (+1) 60 (-8) 88 62
WIND 20FT/EARLY(MPH) E 16 SE 17 E 18 E 16
WIND 20FT/LATE(MPH) E 18 SE 16 E 18 E 16
MIXING HGT(FT-AGL/MSL) 3800 3480
TRANSPORT WND (MPH) SE 22 SE 21
VENT RATE (KT-FT) 72200 62640
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
VIZ002-040800-
ST CROIX-
330 PM AST WED JUN 3 2026
TONIGHT THU THU NIGHT FRI
CLOUD COVER PCLDY MCLEAR PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 40 20 20 10
TEMP (24H TREND) 75 (-2) 89 (+3) 75 89
RH % (24H TREND) 88 (-1) 61 (-6) 89 62
WIND 20FT/EARLY(MPH) E 13 SE 14 E 17 E 16
WIND 20FT/LATE(MPH) SE 16 SE 14 E 17 E 16
MIXING HGT(FT-AGL/MSL) 5100 4480
TRANSPORT WND (MPH) SE 18 E 20
VENT RATE (KT-FT) 81600 76160
DISPERSION 5 5
DSI 6 6 6 6
RH RECOVERY EXCELLENT EXCELLENT
REMARKS...NONE.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page